Wastewater Air Valve
CSA SCF-RFP-D
Anti-Surge Non Slam Anti Water-Hammer Wastewater Combination Air Valve
CSA's three-function double Wastewater Air Valves control the ingress, discharge and bleed of accumulated gasses into pipelines to protect them from damaging vacuums and water hammer caused by pressure fluctuations; maintaining a stable system for more efficient flow.
They have a robust and low maintenance design, constructed from strong and lightweight ductile iron.
See our Working with Air Valves document for more information.
Technical Specification
- Range: DN50 - DN200
- Flanges & drillings: BS EN1092-2 1987 table 9 (PN16)
- Maximum working pressure: 16 bar
- Hydrostatic pressure tests:
- Seat - 1.1 x PN (17.6 bar)
- Body - 1.5 x PN (24.0 bar)
- Temperature range: -10°C to 60°C, insulate at 0°C and below
- Coating: Blue fusion bonded epoxy (>300µ and WRAS listed)
Features
- Unique lightweight ductile iron design
- Directly acting float mechanism
- Corrosion resistant construction
- Drainage valve as standard
- Robust low maintenance design
- Large sloped float chamber
- Also available in stainless steel
- Tapped cowl available for piped outflow
Benefits
- Innovative design
- Robust design
- Excellent performance
- Corrosion resistant
Options
- Isolating gate valve (recommended)
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